upgrade_ubuntu_docker.sh

#!/bin/bash

# Don't run this as root as you'll not add your user to the docker group
sudo apt-get update
sudo apt-get install apt-transport-https ca-certificates
sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
echo deb https://apt.dockerproject.org/repo ubuntu-$(lsb_release -c | awk '{print $2}') main | sudo tee /etc/apt/sources.list.d/docker.list
sudo apt-get update
sudo apt-get purge lxc-docker
sudo apt-get install -y linux-image-extra-$(uname -r)
sudo rm -rf /etc/default/docker
sudo apt-get install -y docker-engine
sudo service docker start
sudo usermod -aG docker `echo $USER`
docker -v